Ubuntu on Azure Notes
Regular Maintenance sudo apt update sudo apt upgrade Error during Regular Maintenance: 11: Resource temporarily unavailable This is a solution for handling resource shortage detected during sudo upgrade. E: Could not get lock /var/lib/dpkg/lock – open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it? Check if apt exists with the ps command. If it does, wait a bit and retry, or if possible, restarting may be quicker. ...